Eberhard Graether
113aab8e60
This change styles the edges in the QtGraphView. They get drawn with vertical and horizontal parts and rounded corners.
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
#ifndef QT_GRAPH_EDGE_H
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#define QT_GRAPH_EDGE_H
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#include <memory>
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#include <QGraphicsItem>
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#include "utility/math/Vector2.h"
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#include "utility/messaging/type/MessageActivateToken.h"
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#include "component/view/graphElements/GraphEdge.h"
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class GraphNode;
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class QtStraightConnection
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: public QGraphicsLineItem
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{
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public:
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QtStraightConnection(Vec4i ownerRect, Vec4i targetRect, QGraphicsItem* parent);
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virtual ~QtStraightConnection();
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virtual QPainterPath shape() const;
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};
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class QtCorneredConnection
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: public QGraphicsLineItem
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{
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public:
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QtCorneredConnection(Vec4i ownerRect, Vec4i targetRect, Vec4i ownerParentRect, Vec4i targetParentRect, QGraphicsItem* parent);
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virtual ~QtCorneredConnection();
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virtual QPainterPath shape() const;
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virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem* options, QWidget* widget);
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private:
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QPolygon getPath() const;
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int getDirection(const QPointF& a, const QPointF& b) const;
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Vec4i m_ownerRect;
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Vec4i m_targetRect;
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Vec4i m_ownerParentRect;
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Vec4i m_targetParentRect;
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};
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class QtGraphEdge
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: public GraphEdge
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, public QGraphicsItemGroup
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{
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public:
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QtGraphEdge(const std::weak_ptr<GraphNode>& owner, const std::weak_ptr<GraphNode>& target, const Edge* data);
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virtual ~QtGraphEdge();
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virtual std::weak_ptr<GraphNode> getOwner();
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virtual std::weak_ptr<GraphNode> getTarget();
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virtual void updateLine();
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bool getIsActive() const;
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void setIsActive(bool isActive);
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void onClick();
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protected:
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virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent* event);
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent* event);
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private:
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std::weak_ptr<GraphNode> m_owner;
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std::weak_ptr<GraphNode> m_target;
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QGraphicsLineItem* m_child;
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bool m_isActive;
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Vec2i m_mousePos;
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bool m_mouseMoved;
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};
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#endif // QT_GRAPH_EDGE_H
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